/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:32:41,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:32:41,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:32:41,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 06:32:41,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 06:32:41,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 06:32:41,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 06:32:41,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 06:32:41,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 06:32:41,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 06:32:41,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 06:32:41,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-07-10 06:32:41,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 06:32:41,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 06:32:41,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 06:32:41,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 06:32:41,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:32:41,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:32:41,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:32:41,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:32:41,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:32:41,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:32:41,908 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:32:41,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:32:41,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:32:41,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:32:41,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:32:41,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:32:41,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:32:41,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:32:41,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:32:41,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:32:41,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:32:41,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:32:41,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:32:41,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:32:41,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:32:41,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:32:41,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:32:41,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:32:41,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:32:41,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:32:41,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:32:41,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:32:41,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:32:41,912 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:32:41,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:32:41,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:32:41,912 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:32:41,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:32:42,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:32:42,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:32:42,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:32:42,175 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:32:42,176 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:32:42,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-07-10 06:32:42,177 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-07-10 06:32:42,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:32:42,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:32:42,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:32:42,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:32:42,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:32:42,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:32:42,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:32:42,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:32:42,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:32:42,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... [2021-07-10 06:32:42,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:32:42,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:32:42,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:32:42,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:32:42,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:32:42,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:32:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:32:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:32:42,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:32:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:32:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:32:42,305 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:32:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:32:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:32:42,306 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 06:32:42,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:32:42,451 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:32:42,453 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:32:42 BoogieIcfgContainer [2021-07-10 06:32:42,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:32:42,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:32:42,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:32:42,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:32:42,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:32:42" (1/2) ... [2021-07-10 06:32:42,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5887fdcf and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:32:42, skipping insertion in model container [2021-07-10 06:32:42,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:32:42" (2/2) ... [2021-07-10 06:32:42,457 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-07-10 06:32:42,461 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:32:42,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:32:42,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:32:42,462 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:32:42,491 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 06:32:42,520 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 06:32:42,630 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:32:42,631 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:32:42,631 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:32:42,632 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:32:42,632 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:32:42,632 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:32:42,632 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:32:42,632 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:32:42,783 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:32:42,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:32:42,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1585478612, now seen corresponding path program 1 times [2021-07-10 06:32:42,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:32:42,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052276460] [2021-07-10 06:32:42,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:32:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:32:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:32:42,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:32:42,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052276460] [2021-07-10 06:32:42,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052276460] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:32:42,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:32:42,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:32:42,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325786989] [2021-07-10 06:32:42,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:32:42,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:32:42,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:32:42,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:32:42,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:42,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:32:42,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:32:42,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:42,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:42,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:32:42,978 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:32:42,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:32:42,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1629688122, now seen corresponding path program 2 times [2021-07-10 06:32:42,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:32:42,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172918055] [2021-07-10 06:32:42,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:32:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:32:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 06:32:43,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:32:43,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172918055] [2021-07-10 06:32:43,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172918055] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:32:43,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:32:43,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 06:32:43,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351188239] [2021-07-10 06:32:43,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 06:32:43,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:32:43,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 06:32:43,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-10 06:32:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:43,021 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:32:43,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:32:43,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:43,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:43,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:43,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 06:32:43,049 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:32:43,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:32:43,050 INFO L82 PathProgramCache]: Analyzing trace with hash 814465532, now seen corresponding path program 3 times [2021-07-10 06:32:43,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:32:43,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872954089] [2021-07-10 06:32:43,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:32:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:32:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:32:43,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:32:43,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872954089] [2021-07-10 06:32:43,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872954089] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:43,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63971431] [2021-07-10 06:32:43,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:43,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 06:32:43,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:32:43,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 06:32:43,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:32:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:32:43,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63971431] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:43,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:32:43,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-10 06:32:43,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694571900] [2021-07-10 06:32:43,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 06:32:43,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:32:43,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 06:32:43,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2021-07-10 06:32:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:43,751 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:32:43,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.826086956521739) internal successors, (42), 22 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:32:43,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:43,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:43,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:43,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:43,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:43,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 06:32:44,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:44,127 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:32:44,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:32:44,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1600610626, now seen corresponding path program 4 times [2021-07-10 06:32:44,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:32:44,128 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21455478] [2021-07-10 06:32:44,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:32:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:32:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 06:32:44,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:32:44,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21455478] [2021-07-10 06:32:44,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21455478] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:44,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900177629] [2021-07-10 06:32:44,451 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:44,482 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:32:44,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:32:44,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 06:32:44,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:32:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:32:45,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900177629] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:45,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:32:45,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-10 06:32:45,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657158563] [2021-07-10 06:32:45,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 06:32:45,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:32:45,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 06:32:45,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-07-10 06:32:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:45,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:32:45,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 26 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:32:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 06:32:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:45,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:45,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:45,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 06:32:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:45,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:45,741 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:32:45,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:32:45,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1196717438, now seen corresponding path program 5 times [2021-07-10 06:32:45,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:32:45,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856554902] [2021-07-10 06:32:45,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:32:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:32:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 06:32:46,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:32:46,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856554902] [2021-07-10 06:32:46,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856554902] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:46,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977787489] [2021-07-10 06:32:46,048 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:46,094 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 06:32:46,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:32:46,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 06:32:46,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:32:46,676 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-07-10 06:32:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:32:47,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977787489] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:47,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:32:47,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-10 06:32:47,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566212888] [2021-07-10 06:32:47,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 06:32:47,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:32:47,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 06:32:47,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2021-07-10 06:32:47,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:47,038 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:32:47,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.896551724137931) internal successors, (55), 28 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:32:47,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:47,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:47,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 06:32:47,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:47,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 06:32:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:47,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:47,605 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:32:47,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:32:47,606 INFO L82 PathProgramCache]: Analyzing trace with hash -506900658, now seen corresponding path program 6 times [2021-07-10 06:32:47,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:32:47,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950601875] [2021-07-10 06:32:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:32:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:32:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-10 06:32:47,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:32:47,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950601875] [2021-07-10 06:32:47,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950601875] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:47,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695511586] [2021-07-10 06:32:47,987 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:48,015 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-10 06:32:48,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:32:48,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 06:32:48,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:32:48,642 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2021-07-10 06:32:49,184 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-07-10 06:32:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:32:49,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695511586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:49,401 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:32:49,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 33 [2021-07-10 06:32:49,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338552719] [2021-07-10 06:32:49,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 06:32:49,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:32:49,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 06:32:49,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=989, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 06:32:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:49,402 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:32:49,403 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.911764705882353) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:32:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 06:32:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 06:32:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:50,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:50,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:32:50,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-10 06:32:50,746 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:32:50,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:32:50,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1343570998, now seen corresponding path program 7 times [2021-07-10 06:32:50,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:32:50,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327797116] [2021-07-10 06:32:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:32:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:32:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-07-10 06:32:51,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:32:51,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327797116] [2021-07-10 06:32:51,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327797116] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:51,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82144768] [2021-07-10 06:32:51,148 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:32:51,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 06:32:51,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:32:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:32:52,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82144768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:32:52,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:32:52,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 23] total 35 [2021-07-10 06:32:52,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385051928] [2021-07-10 06:32:52,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-10 06:32:52,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:32:52,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-10 06:32:52,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2021-07-10 06:32:52,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:52,833 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:32:52,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.9444444444444444) internal successors, (70), 35 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:32:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 06:32:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 06:32:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:32:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:32:55,484 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 55 [2021-07-10 06:32:56,629 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2021-07-10 06:32:56,926 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-07-10 06:32:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:32:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:32:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:32:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 06:32:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 06:32:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:32:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 06:32:58,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:32:58,282 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 06:32:58,283 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 06:32:58 BasicIcfg [2021-07-10 06:32:58,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 06:32:58,284 INFO L168 Benchmark]: Toolchain (without parser) took 16091.47 ms. Allocated memory was 195.0 MB in the beginning and 338.7 MB in the end (delta: 143.7 MB). Free memory was 173.9 MB in the beginning and 278.1 MB in the end (delta: -104.2 MB). Peak memory consumption was 39.9 MB. Max. memory is 8.0 GB. [2021-07-10 06:32:58,284 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 195.0 MB. Free memory is still 175.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 06:32:58,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.74 ms. Allocated memory is still 195.0 MB. Free memory was 173.8 MB in the beginning and 172.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 06:32:58,284 INFO L168 Benchmark]: Boogie Preprocessor took 12.59 ms. Allocated memory is still 195.0 MB. Free memory was 172.3 MB in the beginning and 171.5 MB in the end (delta: 852.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 06:32:58,287 INFO L168 Benchmark]: RCFGBuilder took 223.12 ms. Allocated memory is still 195.0 MB. Free memory was 171.4 MB in the beginning and 159.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 06:32:58,287 INFO L168 Benchmark]: TraceAbstraction took 15829.77 ms. Allocated memory was 195.0 MB in the beginning and 338.7 MB in the end (delta: 143.7 MB). Free memory was 159.1 MB in the beginning and 278.1 MB in the end (delta: -119.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 8.0 GB. [2021-07-10 06:32:58,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 195.0 MB. Free memory is still 175.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.74 ms. Allocated memory is still 195.0 MB. Free memory was 173.8 MB in the beginning and 172.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.59 ms. Allocated memory is still 195.0 MB. Free memory was 172.3 MB in the beginning and 171.5 MB in the end (delta: 852.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 223.12 ms. Allocated memory is still 195.0 MB. Free memory was 171.4 MB in the beginning and 159.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15829.77 ms. Allocated memory was 195.0 MB in the beginning and 338.7 MB in the end (delta: 143.7 MB). Free memory was 159.1 MB in the beginning and 278.1 MB in the end (delta: -119.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1095, positive: 794, positive conditional: 687, positive unconditional: 107, negative: 301, negative conditional: 293, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 886, positive: 794, positive conditional: 687, positive unconditional: 107, negative: 92, negative conditional: 84, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 886, positive: 677, positive conditional: 0, positive unconditional: 677, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 886, positive: 594, positive conditional: 0, positive unconditional: 594, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332 ], Maximal queried relation: 7, Independence queries for same thread: 209 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 105, Number of persistent set computation: 24, Number of trivial persistent sets: 14, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1095, positive: 794, positive conditional: 687, positive unconditional: 107, negative: 301, negative conditional: 293, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 886, positive: 794, positive conditional: 687, positive unconditional: 107, negative: 92, negative conditional: 84, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 886, positive: 677, positive conditional: 0, positive unconditional: 677, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 886, positive: 594, positive conditional: 0, positive unconditional: 594, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 58, positive conditional: 39, positive unconditional: 19, negative: 231, negative conditional: 167, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332 ], Maximal queried relation: 7, Independence queries for same thread: 209 - PositiveResult [Line: 55]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15743.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 7386.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 182, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 40.7ms SsaConstructionTime, 150.0ms SatisfiabilityAnalysisTime, 6791.7ms InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 12155 SizeOfPredicates, 25 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 88/590 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...